@article{d2015interference,
  title={Interference-Based Pricing for Opportunistic Multi-Carrier Cognitive Radio Systems},
  author={D'Oro, Salvatore and Mertikopoulos, Panayotis and Moustakas, Aris and Palazzo, Sergio},
  journal={IEEE Transactions on Wireless Communications},
  volume={14},
  number={12},
  pages={6536--6549},
  year={2015},
  publisher={IEEE}
}